GHG AP Flashcards
(51 cards)
t/f: hamsters have the ability to hibernate, even in a home
true
t/f: urine collection is easier in the gerbil than the hamster
false
t/f: guinea pigs are induced ovulators
false
t/f: hamsters are born with a full set of teeth
true
t/f: guinea pigs have a well developed gallbladder
true
t/f: guinea pigs can be used in both intensive and non-intensive breeding programs
true
gerbils are _____ animals that will mate for life. the male will also help ______
monogamous ; care for young
in the pet industry, guinea pigs are commonly referred to as ____
Cavys
what is the main purpose of brown adipose tissue
temperature regulation
guinea pigs have short, delicate limbs. each foot has ___ digits and each hindlimb has ___ digits
4 ; 3
hamsters have ___ pairs of mammary glands
6-7
when do hamsters reach puberty
6-8 weeks
male guinea pigs are called ___ while female guinea pigs are called ____. the act of parturition is referred to as _____
boars ; sows ; farrowing
how long is the gestation period for hamsters
15-18 days
female guinea pigs reach sexual maturity at ______ of age. if the are going to be used for breeding they should be put into a breeding program prior to _____ of age. after this time their pelvis will fuse closed and if breeding occurs after this point ( for the first time) a life threatening condition called ____ can occur
2 mo ; 6 mo ; dystocia
hamsters have cheek pouches which are located on the ______ and are about _____ long. females may hold ____ in her cheek pouches when threatened
lateral buccal wall ; 35-40 mm ; offspring
hamsters are prone to cavities, which can also be called _____
caries
the usual life span for guinea pigs is ______ in captivity. they have a normal rectal temperature of _______ and their normal heart rate is ______
5-6 years ; 99.0 - 103.1 F ; 240 - 310 BPM
what gives brown adipose tissue its brown appearance
high number of mitochondria
guinea pigs have a gestation period of ____ days and have a typical litter size of ___ pups but they potentially could have up to ___ pups. these pups are typically weaned at ___ of age
69-72 days ; 2-4 ; 13 ; 21 days
guinea pigs are not commonly used as research animals but they can be occasionally used in audiology research because they have large ______
tympanic bulla
which physiological characteristic makes the cheek pouches of hamsters an excellent site to test for carcinogenic potential of agents
lack of immune function
despite the fact that guinea pigs have no _____ and very small ____ they are capable of a wide variety of noises. there are __ distinct vocal patterns of guinea pigs
laryngeal vesicle ; vocal folds ; 11
gerbils should have an environmental temp of ____ F and a relative humidity of ______
65-70 ; 45-55%
